Gustavo Rodriguez has been working as a geologist for over 13 years in Latin America largely in Argentina and Venezuela. He holds a B.Sc. degree in geology and a PhD in geology from the University of the Córdoba, Argentina. He is Fellow of the Society of Economic Geologists (SEG) and a member of the Society for Geology Applied to Mineral Deposits (SGA). Gustavo has been a Doctoral Fellow of the Argentinean Council for Scientific and Technical Research (CONICET) while studying the timing and nature of gold mineralization in orogenic (turbidite-type) gold deposits of Puna, Argentina. He has held positions at several companies including Sunshine Mining (formerly owner of Pirquitas mine), IAMGOLD Corp., and Crystallex International. Most recently as Crystallex’s Chief Geologist, he executed a resource definition drilling program on the Las Cristinas Gold Deposit in Venezuela, which resulted in measured and indicated resources increasing by 4.5 million ounces. Gustavo has been instrumental in the acquisition of Mariana extensive land package in Santa Cruz of Southern Argentina using satellite imagery, structural analysis and mineral alteration techniques and in the discovery of new gold-silver deposits at Mariana’s Las Calandrias and Sierra Blanca Projects. Panel de Exploración, 15:10-16:40 Las Calandrias is the key gold and silver discovery of Mariana Resources in the prospective Deseado Massif in Santa Cruz Province (southern Argentina).